11718287853 has 16 divisors (see below), whose sum is σ = 15817830336. Its totient is φ = 7715530880.

The previous prime is 11718287837. The next prime is 11718287857. The reversal of 11718287853 is 35878281711.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11718287853 - 2⁴ = 11718287837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11718287796 and 11718287805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11718287857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1029433 + ... + 1040753.

It is an arithmetic number, because the mean of its divisors is an integer number (988614396).

Almost surely, 2^11718287853 is an apocalyptic number.

It is an amenable number.

11718287853 is a deficient number, since it is larger than the sum of its proper divisors (4099542483).

11718287853 is a wasteful number, since it uses less digits than its factorization.

11718287853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15564.

The product of its digits is 752640, while the sum is 51.

The spelling of 11718287853 in words is "eleven billion, seven hundred eighteen million, two hundred eighty-seven thousand, eight hundred fifty-three".